loops2_practice_problems.rb

# 1. Write a while loop to print the numbers 1 through 10.

puts "Problem 1:"

number = 1
while number <= 10
    p number 
    number = number + 1
end

# 2. Write a while loop that prints the word "hello" 5 times.

puts "Problem 2:"

i = 1
while i <= 5
    puts "hello"
    i += 1
end

# 3. Write a while loop that asks the user to enter a word and will run forever until the user enters the word "stop".

puts "Problem 3:"

# while true
#     puts "Enter a word:"
#     word = gets.chomp
#     if word == "stop"
#         break
#     end
# end

# 4. Write a while loop that prints the numbers 0 through 100, increasing by 5 each time.

puts "Problem 4:"

number = 0
while number <= 100
    p number
    number = number + 5
end

# 5. Write a while loop that prints the number 9000 ten times.

puts "Problem 5:"

i = 0
while i < 10
    p 9000
    i += 1
end

# 6. Write a while loop that asks the user to enter a number and will run forever until the user enters a number greater than 10.

puts "Problem 6:"

# while true
#     puts "Enter a number:"
#     number = gets.chomp
#     if number.to_i > 10
#         break
#     end
# end

# 7. Write a while loop that prints the numbers 50 to 70.

puts "Problem 7:"

number = 50
while number <= 70
    p number
    number = number + 1
end

# 8. Write a while loop that prints the phrase "Around the world" 144 times.

puts "Problem 8:"

i = 0
while i <= 144
    puts "Around the world"
    i += 1
end


# 9. Write a while loop that asks the user to enter a word and will run forever until the user enters a word with more than 5 letters.

puts "Problem 9:"

while true
    puts "Enter a word"
    word = gets.chomp
    if word.length > 5
        break 
    end
end

# 10. Write a while loop that prints the even numbers from 2 to 40.

puts "Problem 10:"

number = 2
while number <= 40
    p number
    number = number + 2
end